128 lines
4.4 KiB
TypeScript

// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Injectable } from '@angular/core';
import { CoreSites } from '@services/sites';
import { CoreDomUtils } from '@services/utils/dom';
import { CoreCourse } from '@features/course/services/course';
import { CoreSiteWSPreSets } from '@classes/site';
import { makeSingleton } from '@singletons';
const ROOT_CACHE_KEY = 'AddonBlockRecentlyAccessedItems:';
/**
* Service that provides some features regarding recently accessed items.
*/
@Injectable( { providedIn: 'root' })
export class AddonBlockRecentlyAccessedItemsProvider {
/**
* Get cache key for get last accessed items value WS call.
*
* @return Cache key.
*/
protected getRecentItemsCacheKey(): string {
return ROOT_CACHE_KEY + ':recentitems';
}
/**
* Get last accessed items.
*
* @param siteId Site ID. If not defined, use current site.
* @return Promise resolved when the info is retrieved.
*/
async getRecentItems(siteId?: string): Promise<AddonBlockRecentlyAccessedItemsItem[]> {
const site = await CoreSites.getSite(siteId);
const preSets: CoreSiteWSPreSets = {
cacheKey: this.getRecentItemsCacheKey(),
};
let items: AddonBlockRecentlyAccessedItemsItem[] =
await site.read('block_recentlyaccesseditems_get_recent_items', undefined, preSets);
const cmIds: number[] = [];
items = await Promise.all(items.map(async (item) => {
const modicon = item.icon && CoreDomUtils.getHTMLElementAttribute(item.icon, 'src');
item.iconUrl = await CoreCourse.getModuleIconSrc(item.modname, modicon || undefined);
item.iconTitle = item.icon && CoreDomUtils.getHTMLElementAttribute(item.icon, 'title');
cmIds.push(item.cmid);
return item;
}));
// Check if the viewed module should be updated for each activity.
const lastViewedMap = await CoreCourse.getCertainModulesViewed(cmIds, site.getId());
items.forEach((recentItem) => {
const timeAccess = recentItem.timeaccess * 1000;
const lastViewed = lastViewedMap[recentItem.cmid];
if (lastViewed && lastViewed.timeaccess >= timeAccess) {
return; // No need to update.
}
// Update access.
CoreCourse.storeModuleViewed(recentItem.courseid, recentItem.cmid, {
timeaccess: recentItem.timeaccess * 1000,
sectionId: lastViewed && lastViewed.sectionId,
siteId: site.getId(),
});
});
return items;
}
/**
* Invalidates get last accessed items WS call.
*
* @param siteId Site ID to invalidate. If not defined, use current site.
* @return Promise resolved when the data is invalidated.
*/
async invalidateRecentItems(siteId?: string): Promise<void> {
const site = await CoreSites.getSite(siteId);
await site.invalidateWsCacheForKey(this.getRecentItemsCacheKey());
}
}
export const AddonBlockRecentlyAccessedItems = makeSingleton(AddonBlockRecentlyAccessedItemsProvider);
/**
* Result of WS block_recentlyaccesseditems_get_recent_items.
*/
export type AddonBlockRecentlyAccessedItemsItem = {
id: number; // Id.
courseid: number; // Courseid.
cmid: number; // Cmid.
userid: number; // Userid.
modname: string; // Modname.
name: string; // Name.
coursename: string; // Coursename.
timeaccess: number; // Timeaccess.
viewurl: string; // Viewurl.
courseviewurl: string; // Courseviewurl.
icon: string; // Icon.
} & AddonBlockRecentlyAccessedItemsItemCalculatedData;
/**
* Calculated data for recently accessed item.
*/
export type AddonBlockRecentlyAccessedItemsItemCalculatedData = {
iconUrl: string; // Icon URL. Calculated by the app.
iconTitle?: string | null; // Icon title.
};